ichneumon, onis, m., = ἰχνεύμων. An animal which tracks the crocodile and destroys its eggs; the Egyptian rat or ichneumon, Plin. 8, 24, 35, § 88; 8, 25, 37, § 90 sq.; Cic. N. D. 1, 36, 101; Mart. 7, 87, 5; Nemes. Cyneg. 54.

— An insect, the ichneumon-fly, Sphex sabulosus, Linn.; Plin. 10, 74, 95, § 294; 11, 21, 24, § 72.